Milling-machine.



n. K. LE BLOND @L wn?. GROENE.

MILLING MACHINE.

y APPLIQATION FILED 1AN.24.1 913v Patentd Sept; 1915,

E45 .y l l 1li om mvm 759W @Y @MyW/gm m515 AmQmm/g I 'wsmaaaa (IW R. K. LE BLOND & W. F. GRENE.

vMILLING MACHINE,

APPLICATION FILED JAN. 24,1913,

1,1 52,647'. Patented sept.' 7,- 1915.

3 SHEETS-SHEET 2.

Tren? in, f. u

o dialisi@ RICHARD K. BLOND ANI) WILLIAIYI F. GROENE, F CINCINNATI, OHIO, ASSIG-NORS T0 THE 38:. l. IAE BLOND MACHINE TOOL COMPANY, 0F CINCINNATI, GHIQ, A. OEL- MILLINGJEACHINE.

Specification of Letters Patent.

raten-teu sept. 7,1?15.

Application filed January M, 1913. ASerial No. 743,918.

A .To all wh-0m it may concern.

Be it known that we, Ric/HARD l. Ln

. Enorm and lli/'unimi F. GROENE, citizens of the United States of America., and residents of Cincinnati, county of Hamilton, and State of liio,have invented certain new and useful Improvements in Milling-Machines, of which the following is a specifi-v cation. y

This invention relates to milling machines and has for an object to produce improved for controlling the i'eciprocatory motion of the table, during the operation of the machine. This and other objects, which will he made apparent during the further description-of the invention, are attained in below the tahle and the feed shaft.

2 is a side elevationof a reverse plate and. gears, employed in connection with the feed,

drive of the machine. Fig. 3 isa fregmental longitudinai section along the line l-l'uof Fig. l and portions are shown partiallyl broken away for convenience of illustration. Fig. d is a fragniental sectional view along the line lf-1lof Fig. 3. Fig. 5 is a plan view of the mechanism shown in Figs. l and 3 Fig. 6 is a fragmental section along the line 6 6 of Fig. 3, and illustrates the means employed for holding the reverse plate of the traverse drive mechanism in the central or inoperative position. v

The milling machine herein illustrated as an embodiment of our invention includes a gear 21, which is mounted on the feed shaft 100 'tool support, driving means, and the other equipment usually employed on such inacliines, but, for the sake of simplifying the "illustration and :tor convenience-'of description, only those elements, which 'are essential to a full and clear disclosure of, the invenv tion, are illustrated.

The machine herein illustrated, as an eml hodiment of our invention, includes4 the usual table 10, on which the worlz is mounth ed and which is reciprocally mounted in Ways 11, provided on the frame 12 of the machine. The table is capable of being moved in both directions, along its ways 11, by the usual means, such for example as the ing 'driven by means of two independent power shafts 14 and 15. The shaft 14 is ineluded in a power transmission mechanism for the table, which is ordinarily termed the f cutting drive, while the shaft 15 forms a part of a' power transmission mechanism, which is sometimes termed the traverse drive7 and is employed during the .preliminary operation of-moving the work, on the table, up to the tool, on the tool support,

and also in the iinal operation of withdraw- .v ing the work from the'tool. As illustrated,

power is transmitted to the' feed shaft from each power shaftvlli and 15,` by means of l screw or feed shaft 13, which extends longi-f tudinally of the ways and is capable ofbeseparate sets of gears, each of which is so4 -I mounted on a separate reversing plate, that it is capable of driving the shaft in either direction. Means are also employed for preventing both power shafts from being operatively connected to the feed shaft at the same time. With this arrangement the'A table 10 can be rapidly moved in either direction along its ways by means of the traverse drive,

and canialso he moved in either direction by the cutting` drive; but it is impossible to render" the traverse drive operative, while 'the cutti'ig drive is in operation, and vice versa, to render theveutting driveoperative while the traverse drive is in operation.

The traverse drive mechanism illustrated,

includes the shaft 15,-ja worm'l, mounted on the shaft, Ka worm Wheel`17, which meshes with the w'orm 1 6, a gear 18, rigidly mounted on an extending hub of the wormy Wheel 17, a gear 19,y which is continuously in mesh with the gear 18, a gear 20, which is continuously in mesh with the gear 19, and a 13 and with 'which either of the gears 19 and 2O are capable of being moved 'into y .,"zy

The gear 21 is shown integrally formed with a sleeve 39, A.willich surrounds and is splinedon the shaft 1S". During the operation z of. shiftingtlie table 10, the shaft 13 i moves along the 4ways 11 with the table, and consequently, moves longitudinally .through the sleeve 39. The sleeve is prevented from' the Wheel 23, a gear .25 continuously ,in meshl with the gear 24, a gear 26, continuously in mesh with the gear 25, and ,a gear 27 which is loosely mounted on the shaft 13 an'd with which either of the gears 25 or 26 is capablev of being movedinto mesh. The gear 27as' illustrated, is formed on a sleeve 28, Whichl is loosely mounted on the shaft 13 and is capable of being operatively secured to the shaft hy means of a clutch device 29. y

The shaft 15 is journaled in, bearings which are rigidly mounted on the frame 12 ofthe machine and the Worm 16 is nclosed within a casing 31, which is rigidly mounted on the frame, and into'vvhich the shaft 15 projects and on which it is also journaled. The gears 19 and 20 are journaled on pins, carried by a plate 32, which is pivotally mounted on a shaft 33, extending across and supported hy the casing. The plate isprovided With an integrally formed sleeve ,34, which extends along the shaft 33 and on which the Worm Wheel 17 is mounted. The Worm Wheel is held in place on the sleevel by means of a mutilated gear 35, Which is rigidly mounted on the end of the sleeve 34, and is consequently rigidly secured to the plate 2. The gears 19 and 20 are so located on the plate 32, and' the shaft 33 is so located relatively to the plate, that the gear 19 is movedinto mesh with the gear 21, when the plate 32 is turned to one position about ,the shaft 33, and the gear 20 is movedinte.' mesh with the gear 21 and consequently rotates the shaft 13 in the opposite direction from that in which it is driven by the gear 19, when the plate is turned to another position. As illustrated, the mutilated gear 35 meshes with al sector-shaped gear 36, which is suitably mounted Within the casing 31 and is capable of being actuated, by means of a handle 37, for the purpose of turning the gear 35, and of thereby turning the plate 32 to different positions, about the shaft 33. vThe plate 32 also coperates With a ring 38, in controlling the operation of the clutch device 29, which is employed for the purpose of operatively connecting the" gear 27 to the shaft 13.. As illustrated, the clutch device consists of coperating teeth, formed on the gear end of the sleeve 2 8, and on the adjacent end of the sleeve 39, with which the gear 21 is integrally formed.

The sleeve 28, and consequently the gear 27 are operatlvely locked to the shaft 13 by shiftin fthe sleeve 28 alon the shaft, so that its c utch teeth interloc with or ,en-l

gage the clutch teeth formed on the sleeve 39, and,A vice versa, the sleeve 28, and consequently the gear '2.7, are o ratively dis connected `from the shaft 13 y shifting the sleeve so that its clutch teeth are freed or ldisengaged from the teeth'of the sleeve 39.

rovide ed ot the For accomplishing this WQ teeth 41 on the upper'h or curv plate 32 angl-we- 'alsoprevidteet 42, o`n the ri 3 8, which' are continuously in mesh with the'teeth 412- The'- f38 is provided on One-lateralfface-'withn ally extending `Vsha grooves-'SSf-Vand'arl roun ng the shaft f 18, is provi ed on its, adjacent lateral' face with radially extid-L 43,l suring Vfshaped-lugs 43' whichI are 'ada ted to prjectint the-grooves 38 when t e ring 38 is turnedfto sueha'- osition that its grooves are located inimedlatel o or in line with, the lugs 43. is i lustrated, the ring 13j-is located immediately adjacent to the ring 38 and between'it and the sleeve '28, and abutsegainst the gear end of the posite to,

38 are in alinement with the lugs 43' when.

the plate 32 occupies the intermediate' sition, that is, the osition in which neit er of the gears 19 an 20 are in mesh with the gear 21'. Whenthe plate i's in thisposition the sleeve 28 may be moved longitudinally along the lshaft13, for the purpose of o `eratively connecting the gear 27 to the sha and when so move the lugs43 move into the grooves 38. When the plate 32 is turned so as to move either the gears 19 or 20 into engagement with the r 21; the rin 38-is turned, relatively to t e ring 43, an consequently the lugs 43 are caused to ride out of the grooves 38. 1 This causes the ring 43 tomove laterally away from' the l ring 38, and to thereb move the sleeve 28 along the shaft to suc a position that the clutch device 29 is disengaged and the r 27 is operatively disconnected from the s aft 13. In addition to this the coperation be tween Athe rings 38 and 43 prevents the sleeve- 28 from being shifted, so as to render the clutch device effective when the late 32 is turned so as to render either o the gears 19 or 20 operative as driving of the shaft 13. In Fig. 3 the rings 38 and 43 are shown in the relative positions they occupy when one or the other of drive mechanism in shifting the table 10, the lever 37 is shifted to one extreme posi- 'tion or the other. This shifts the plate 32 to one eXtreme position or the other andl moves either the gear 19 or the gear 2O into meshI with the gear 21, and incidentally turns the ring 38 so that it shiftsthe ring 4 3, through'the agency of the coperating ribs 43 and grooves'38, and thereby renders the 'clutch device 29 inoperative. Power is then transmitted to the table from the shaft 15, through the gears 16, 17 and 18, one or the other of the gears 19 o r 20, the gear 21, the sleeve 39, the shaft 13, and the means employed for operatively connecting Athe shaftvto the table. Duing the operation of the table, the shaftl 13 moves lpngitudinally of the sleeve 39, as is customary in such mechanisms, i'. While the traverse drive is operative, in shifting the table 10, the feed or cutting drive cannot be rendered operative, since the lcoperatio'n between the rings 38 and 43 prevents thehclutch device 29 from being rendered operative or, in other words, prevents the sleeve 28, and its gear 27, frombeingl operatively connected to the shaft 13. When the lever 37 is moved to the intermediate position, the plate 32 is also moved to the intermediate position and both of the gears 19 and 20 are freeof the gear 21, and consequently, the operative connection between the traverse drive and the shaft 13 i's-broken. The moving of the lever 37 and the plate 32 to their intermediate ositions, also' turns the ring 38, so that t e clutch device 29 is capable of being rendered operative. In the apparatus illustrated, the lever'53 is provided for the purpose of shifting the sleeve 28 longitudinally with relation to the shaft 13 and of thereby rendering the clutch device operative, or, in other words, positively connecting the sleeve 28 to the sleeve 39, which, as

u 'has been described, is splined to the shaft 13. After the traverse drive has been ren' dered inoperative `in the manner above described, the plate 44 may be shifted'from the intermediate position, through the agency of the lever or handle 45, and may be locked into either of its extreme positions. This vmoves one or the other of the gears 25 or 26 into mesh with the gear 27, and consequently, Ydrives the sleeve 28 in one direct1on or the other. After this has been accomplished, the clutch device may be rendered operative by turning the lever When it is desired to render the cutting drive mechanism inoperative and the traverse drive operative, all that is necessary is to shift the lever 37, and, as has been described, this will render one or the other of the gears 19 or 2O effective as driving agents of thegear 21, and will also render the clutch device 29 inoperative.

In accordance with thei United Statesl Patent Statutes, we have illustrated and described thev preferred embodiment of our invention, but we desire it to be understood that various changes, modifications and substitutions may be made in the apparatus illustrated, without departing from the spirit and scope' of our invention as set forth in theappended claims.

What We claim is:

1. In a machine of the character described, a reciprocable table, a driving agent for the table, two separate power shafts for driving said agent, a separate gear train between each power shaft and sald agent, means for shifting one of said ear trains to render its coperating shaft e ective in driving' said agent in both directions and for operatively dlsconnecting thevshaft from the agent, and

transmission mechanism lnoperative as the driving agent of said driven agent. A

3. In a machine of the character described,

a reciprocabletable, a. feed shaft for actuatfy ing the table, a cutting drive mechanism for actuating the, feed shaft, a traverse drive mechanism for actuating the feed shaft, comprising a power shaft, a gear train, a reversing plate for shifting the gear train into and out of operative connection with the feed shaft,.and on which a gear of said train is mounted, and means actuated by the reversing plate for operatively disconnecting the cutting drive from the feed shaft, when the plate is shifted to operatively connect the gear train to the feed shaft.

4. In amachine'f the character described, a reciprocable table, a driving agent for the table, a cutting drive mechanism foractuatf ing the driving agent, a traverse drive mechanism for independently -actuating the a ent and including a gear train, a reversing p ate for shifting the operative connection with the driving agent, and for reversing the driving agent, -and ear train into andout of' means, comprising a clutch device, actuated by the reversing plate for roperatively dis- 'i connecting the cutting drive mechanism f from the agent when the plate isV shifted to operatively connect said gear train to the agent.

` 5. In a machine of the character described,

a reciprocable table, actuating means' for the` table, two separate power shafts for driving said means, a separate gear train-between i' intacts each shaft4 and said means, each gear trainy I the table, agcar operatively connected to the shaft, a gear train for coperatingwith said gear'toidrive the shaft, a reversing plate for. moving one or anotheil of the gears of the train into mesh with said first mentioned 2a gear, a second gear loosely mounted on the shaft, a second gear train for actuating said second gear, a clutch device for operatively 'connecting the second gear. to the shafthand Ineans actuated by the reversing yplate of the first mentioned gear trai-n for disengagotlier gear train into and out of operative connection with the driven shaft, means actuated 'by the plate forl disengaging the clutch device and automatic means for moving the `plate and said means to the normal 7o position, in which. the gear'train. controlled by the plate isoperatively disconnected from the-driven shaft.

10. ln a machine of the character describedma. reciprocable table, a driven shaft 2'5 for actuating the table, a connecting feed ldrive for actuating the shaft, comprising, a

lpower shaft, a gear train including a forward and a reversing gear, and a reversing plate on whichsaid forward and reversing 8o gears are mounted, a clutch device between said gear train and said driven shaft, for

'rendering said geartiain operative or inoperative as Va driving agent for the driven shaft, a traverse drive mechanism comprising a, power shaft, a gear train, iincluding a forward and a reversing gear and a reversingplate, on which said forward and rever-sing gears are niountcd,.for moving one or the other 'of the gears into operative en- 9e ing the lclutch device tooperatively disconnect said second gear train from said shaft.

7 In a machine of the character described,

a reciprocable table, an agent for actuating 30 said table, two independent power transmission mechanisms for actuating said agent, a clutch mechanismv for operatively connectl ing one power transmission mechanism to,j

and for operatively. disconnecting it from,l

a5 Said a ent, means for controlling the operation of the second power transmission mechanism and for disenga'ging said clutch defv 'device for operatively connecting said power transmission mechanism to, and for disenvice when the second power transmission mechanism is operatively connected to said gaging it from, saidshaft, a second power transmission mechanism comprising ak gear 5o train, a plate for shifting said gcartrain into and out of operative" connection with said "shaft, means actiiated by said shaft for gagement with the power shaft, means actuated by the reversing plate of the traverse drive mechanism for disengaging,- the clutch device, and means for automatically moving said last-mentioned reversing plate to an in- 'terinediate position and thereby operatively.

disconnecting the gears mounted thereon from said driven shaft.

l1. In a machine of the character described, a reciprocable table, a driven shaft 10o for actuating the table, a transmission mechanism for actuating' the shaft, a clutch device for rendering said mechanism operative or inoperative as a driving agent of the shaft, plate for controlling said mecha- 165 nism, to reverse the rotation of the shaft, means for locking said plate in different 'positioiis, a gear train for actuating the shaft,- a reversing plate included in the gear train, for shifting the gear train to reverse the ro- 13.0 tation of the shaft, and to operatively disconnect the gear train from the shaft, means actuated by the reversing plate for disengaging the clutch device, manually operable means for controlling` the operation of the clutch device and automatic means tenddisergaging said clutch mechanism when.

saidfgear train is shifted into operative con- 65 nection with said shaft andgneans for automatically shifting said plate, so {asto'operatively disconnect 'said geartrain from said shaft. y f.

', 9. In aniachine ofthe character described,

. lo a reciprocable table, a driven: shaft for actu- 1 ating said table,two .power shafts'v for actuf ating said driven shaft,fa separategear vtrain between each ,power shaft-and ysaid driven shaft, a clutch dev iccincluded'in one `of 'said ing to move the reversing' plate into an intermediate position and thereby operatively disconnecting the gear train from the shaft. l

12. In an apparatus of the character described, a reciprocable table, a driven shaft for ,actuating thetable, two 'independent power transmission mechanisms for actuating thedrivenshaft, a clutchV device for operatively connecting' andf'disconuecting one 125 4power "transmission mechanism and vthe u `gear trainsai reversing ,plate or-nioving the n shaft, means vfor operatively connecting and. disconnecting'- the v other power transmission inechanismand the shaft and yfor disengagthe ,clutch device,v and automatic means, 12o

controlled by the movement of the table, for disengaging the clutch device.

13. In a machine of the character de-I scribed, a reciprocable table, a driven agent 5 for actuating the table, two separate power shafts for driving said agent, a clutch device y between one power shaft and .said agent,

means for disengaging the clutch device and for rendering the other power shaft effective 10 as a driving agent for the driven agent, and

means controlled by the table for disengaging the clutch device.

14. In a machine of the character de;

scribed, a reciprocable table, a worm for l5 actuating the table, two separate power shafts for driving said worm, a separate gear train between each power shaft and the worm, means'or rendermg one of 'said gear trains eifeetlve or ineffective as a drlvlng'agent fork the worm, a clutch device controlled byv said means, for rendering the other gear train ineffective as a driving agent for the'- Worm, and means, actuated by the table, for

disengagingsaid clutch device.

-In rtestimony whereof, we have yhereunto subscribed ournames this 22nd day of Janu- 

